consulate in benghazi, libya. mourners leaned the streets of dougherty's home town, winchester, massachusetts. that's his childhood home where the hearse stopped briefly. doherty was 42, a former navy seal. he was part of a security team for ambassador chris city ofeps who was also killed in the attack. there are still a lot of unanswered questions about the attack that killed the four americans. elizabeth palmer has been investigating on the ground in benghazi, and that's where she jones us this evening. elizabeth, we were told initially that the four americans were killed as part of a riot over that anti-islamic film that was produced in america that has caused so much unrest in the middle east. but what have you been finding out? >> reporter: most people we talk to,ing including neighbors around the consulate, say there was absolutely no demonstration, that in fact, the attack began when a group of armed men, as many as 100, showed up at the same time at both the compound's main gate and began firing, both with